public void StringEscaping()
{
const string value = "a\tb";
Assert.Equal("a\tb", ObjectDisplay.FormatPrimitive(value, ObjectDisplayOptions.None));
Assert.Equal(
"\"a\tb\"",
ObjectDisplay.FormatPrimitive(value, ObjectDisplayOptions.UseQuotes)
);
Assert.Equal(
"a\\tb",
ObjectDisplay.FormatPrimitive(
value,
ObjectDisplayOptions.EscapeNonPrintableCharacters
)
);
Assert.Equal(
"\"a\\tb\"",
ObjectDisplay.FormatPrimitive(
value,
ObjectDisplayOptions.UseQuotes
| ObjectDisplayOptions.EscapeNonPrintableCharacters
)
);
}
private void BuildTypedConstant(CodeFileTokensBuilder builder, TypedConstant typedConstant)
{
if (typedConstant.IsNull)
{
builder.Keyword(SyntaxKind.NullKeyword);
}
else if (typedConstant.Kind == TypedConstantKind.Enum)
{
new CodeFileBuilderEnumFormatter(builder).Format(typedConstant.Type, typedConstant.Value);
}
else
{
if (typedConstant.Value is string s)
{
builder.Append(
ObjectDisplay.FormatLiteral(s, ObjectDisplayOptions.UseQuotes | ObjectDisplayOptions.EscapeNonPrintableCharacters),
CodeFileTokenKind.StringLiteral);
}
else
{
builder.Append(
ObjectDisplay.FormatPrimitive(typedConstant.Value, ObjectDisplayOptions.None),
CodeFileTokenKind.Literal);
}
}
}
private string FormatPrimitive(object obj, bool quoteStrings = false)
{
var options = quoteStrings ? ObjectDisplayOptions.UseQuotes : ObjectDisplayOptions.None;
return(ObjectDisplay.FormatPrimitive(
obj,
options | ObjectDisplayOptions.EscapeNonPrintableCharacters
));
}
private void BuildTypedConstant(CodeFileTokensBuilder builder, TypedConstant typedConstant)
{
if (typedConstant.IsNull)
{
builder.Keyword(SyntaxKind.NullKeyword);
}
else if (typedConstant.Kind == TypedConstantKind.Enum)
{
new CodeFileBuilderEnumFormatter(builder).Format(typedConstant.Type, typedConstant.Value);
}
else if (typedConstant.Kind == TypedConstantKind.Type)
{
builder.Keyword(SyntaxKind.TypeOfKeyword);
builder.Punctuation("(");
DisplayName(builder, (ITypeSymbol)typedConstant.Value);
builder.Punctuation(")");
}
else if (typedConstant.Kind == TypedConstantKind.Array)
{
builder.Keyword(SyntaxKind.NewKeyword);
builder.Punctuation("[] {");
bool first = true;
foreach (var value in typedConstant.Values)
{
if (!first)
{
builder.Punctuation(SyntaxKind.CommaToken);
builder.Space();
}
else
{
first = false;
}
BuildTypedConstant(builder, value);
}
builder.Punctuation("}");
}
else
{
if (typedConstant.Value is string s)
{
builder.Append(
ObjectDisplay.FormatLiteral(s, ObjectDisplayOptions.UseQuotes | ObjectDisplayOptions.EscapeNonPrintableCharacters),
CodeFileTokenKind.StringLiteral);
}
else
{
builder.Append(
ObjectDisplay.FormatPrimitive(typedConstant.Value, ObjectDisplayOptions.None),
CodeFileTokenKind.Literal);
}
}
}
private string FormatPrimitiveIncludingTypeSuffix(
object obj,
bool useHexadecimalNumbers = false
)
{
var options = useHexadecimalNumbers
? ObjectDisplayOptions.UseHexadecimalNumbers
: ObjectDisplayOptions.None;
return(ObjectDisplay.FormatPrimitive(
obj,
options
| ObjectDisplayOptions.IncludeTypeSuffix
| ObjectDisplayOptions.EscapeNonPrintableCharacters
));
}
internal override string FormatPrimitiveObject(object value, ObjectDisplayOptions options)
{
return(ObjectDisplay.FormatPrimitive(value, options));
}
private string FormatPrimitiveUsingHexadecimalNumbers(object obj, bool quoteStrings = false)
{
var options = quoteStrings ? ObjectDisplayOptions.UseQuotes : ObjectDisplayOptions.None;
return(ObjectDisplay.FormatPrimitive(obj, options | ObjectDisplayOptions.UseHexadecimalNumbers));
}
private string FormatPrimitive(object obj, bool quoteStrings = false)
{
return(ObjectDisplay.FormatPrimitive(obj, quoteStrings ? ObjectDisplayOptions.UseQuotes : ObjectDisplayOptions.None));
}
